diff --git a/modules/@angular/router/src/directives/router_link_active.ts b/modules/@angular/router/src/directives/router_link_active.ts
index d5a35373c0..ff314640c9 100644
--- a/modules/@angular/router/src/directives/router_link_active.ts
+++ b/modules/@angular/router/src/directives/router_link_active.ts
@@ -66,7 +66,7 @@ export class RouterLinkActive implements OnChanges, OnDestroy, AfterContentInit
   private classes: string[] = [];
   private subscription: Subscription;
 
-  @Input() private routerLinkActiveOptions: {exact: boolean} = {exact: false};
+  @Input() routerLinkActiveOptions: {exact: boolean} = {exact: false};
 
   constructor(private router: Router, private element: ElementRef, private renderer: Renderer) {
     this.subscription = router.events.subscribe(s => {
diff --git a/tools/public_api_guard/router/index.d.ts b/tools/public_api_guard/router/index.d.ts
index f6afd7b843..3d37d00660 100644
--- a/tools/public_api_guard/router/index.d.ts
+++ b/tools/public_api_guard/router/index.d.ts
@@ -210,6 +210,9 @@ export declare class RouterLinkActive implements OnChanges, OnDestroy, AfterCont
     links: QueryList<RouterLink>;
     linksWithHrefs: QueryList<RouterLinkWithHref>;
     routerLinkActive: string[] | string;
+    routerLinkActiveOptions: {
+        exact: boolean;
+    };
     constructor(router: Router, element: ElementRef, renderer: Renderer);
     ngAfterContentInit(): void;
     ngOnChanges(changes: {}): any;